Bonded magnet made from gas atomized powders of rare earth alloy

Details Bonded magnet made from gas atomized powders of rare earth alloy Bonded magnet made from gas atomized powders of rare earth alloy

1997-08-04

1999-05-18

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

148102, 419 61, H01F7/02

Patent

active

059054247

ABSTRACT:
Bonded magnets made from gas atomized powders of an rare earth alloy and having good hard magnetic characteristics are provided. The powders have an alloy composition comprising approximately 15 to 34 weight % of RE, 0.8 to 1.2 weight % of B, 0.5 to 4 weight % of TiC, balanced with at least one of Fe and Co, wherein RE is one or more rare earth elements selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Er, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu.

REFERENCES:
patent: 4802931 (1989-02-01), Croat
patent: 4851058 (1989-07-01), Croat
patent: 5486240 (1996-01-01), McCallum et al.
patent: 5690889 (1997-11-01), McCallum et al.
Sellers et al., "Amorphous Rare Earth Magnet Powders", paper presented at the conference in Brazil during Sep. 1996.

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